580  
CDUS45 KRIW 180029  
CLILND  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
629 PM MDT TUE SEP 17 2024  
   
...............................
 
 
   
..THE LANDER WY CLIMATE SUMMARY FOR SEPTEMBER 17 2024
 
 
VALID TODAY AS OF 0600 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1891 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 68 2:46 PM 87 1937 74 -6 82  
2014  
MINIMUM 52 7:21 AM 15 1965 44 8 48  
AVERAGE 60 59 1 65  
 
PRECIPITATION (IN)  
TODAY 0.04 0.81 1978 0.03 0.01 0.00  
MONTH TO DATE 0.40 0.42 -0.02 0.55  
SINCE SEP 1 0.40 0.42 -0.02 0.55  
SINCE JAN 1 7.42 9.86 -2.44 12.87  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.3 -0.3 0.0  
SINCE SEP 1 0.0 0.3 -0.3 0.0  
SINCE JUL 1 0.0 0.3 -0.3 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 5 6 -1 0  
MONTH TO DATE 29 71 -42 37  
SINCE SEP 1 29 71 -42 37  
SINCE JUL 1 47 110 -63 83  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 60 29 31 24  
SINCE SEP 1 60 29 31 24  
SINCE JAN 1 621 481 140 356    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 48 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 60 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 15.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 72  
LOWEST 32  
AVERAGE 52  
   
......................................................
 
 
THE LANDER WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 89 2014  
MINIMUM TEMPERATURE (F) 44 10 1965  
 
SUNRISE AND SUNSET  
SEPTEMBER 17 2024.....SUNRISE 6:57 AM MDT SUNSET 7:20 PM MDT  
SEPTEMBER 18 2024.....SUNRISE 6:59 AM MDT SUNSET 7:18 PM MDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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